A. The study will focus on watershed management, flood control, ecosystem restoration and water quality and supply solutions.The watershed area encompasses approximately 90 square miles and is located in western Orange County 25 miles southeast of the City of Los Angeles.   The watershed lies on flat coastal plain, and is almost entirely urbanized with residential and commercial development.  Flood damages along the East Garden Grove-Wintersburg Channel affect residential, commercial, and industrial development with the Cities of Santa Ana, Westminster, Huntington Beach and Fountain Valley.